diff --git a/e2e/ambassador/src/background/index.js b/e2e/ambassador/src/background/index.js
index 9e64986..f9fda7e 100644
--- a/e2e/ambassador/src/background/index.js
+++ b/e2e/ambassador/src/background/index.js
@@ -1,5 +1,6 @@
 import {
-  WINDOWS_CREATE, WINDOWS_REMOVE, TABS_CREATE,
+  WINDOWS_CREATE, WINDOWS_REMOVE, WINDOWS_GET,
+  TABS_CREATE,
   EVENT_KEYPRESS, EVENT_KEYDOWN, EVENT_KEYUP,
 } from '../shared/messages';
 import * as tabs from './tabs';
@@ -11,6 +12,8 @@ receiveContentMessage((message) => {
     return browser.windows.create({ url: message.url });
   case WINDOWS_REMOVE:
     return browser.windows.remove(message.windowId);
+  case WINDOWS_GET:
+    return browser.windows.get(message.windowId, { populate: true });
   case TABS_CREATE:
     return tabs.create({
       url: message.url,
diff --git a/e2e/ambassador/src/client/windows.js b/e2e/ambassador/src/client/windows.js
index c6ba37a..f92405a 100644
--- a/e2e/ambassador/src/client/windows.js
+++ b/e2e/ambassador/src/client/windows.js
@@ -1,4 +1,6 @@
-import { WINDOWS_CREATE, WINDOWS_REMOVE } from '../shared/messages';
+import {
+  WINDOWS_CREATE, WINDOWS_REMOVE, WINDOWS_GET
+} from '../shared/messages';
 import * as ipc from './ipc';
 
 const create = (url) => {
@@ -15,4 +17,11 @@ const remove = (windowId) => {
   });
 };
 
-export { create, remove };
+const get = (windowId) => {
+  return ipc.send({
+    type: WINDOWS_GET,
+    windowId,
+  });
+};
+
+export { create, remove, get };
diff --git a/e2e/ambassador/src/content/index.js b/e2e/ambassador/src/content/index.js
index 0931f93..8573d66 100644
--- a/e2e/ambassador/src/content/index.js
+++ b/e2e/ambassador/src/content/index.js
@@ -1,5 +1,6 @@
 import {
-  WINDOWS_CREATE, WINDOWS_REMOVE, TABS_CREATE,
+  WINDOWS_CREATE, WINDOWS_REMOVE, WINDOWS_GET,
+  TABS_CREATE,
   EVENT_KEYPRESS, EVENT_KEYDOWN, EVENT_KEYUP,
 } from '../shared/messages';
 import * as ipc from './ipc';
@@ -8,6 +9,7 @@ ipc.receivePageMessage((message) => {
   switch (message.type) {
   case WINDOWS_CREATE:
   case WINDOWS_REMOVE:
+  case WINDOWS_GET:
   case TABS_CREATE:
   case EVENT_KEYPRESS:
   case EVENT_KEYDOWN:
diff --git a/e2e/ambassador/src/shared/messages.js b/e2e/ambassador/src/shared/messages.js
index 1369260..32b7aa2 100644
--- a/e2e/ambassador/src/shared/messages.js
+++ b/e2e/ambassador/src/shared/messages.js
@@ -2,6 +2,7 @@ const METHOD_REQUEST = 'request';
 const METHOD_RESPONSE = 'response';
 const WINDOWS_CREATE = 'windows.create';
 const WINDOWS_REMOVE = 'windows.remove';
+const WINDOWS_GET = 'windows.get';
 const TABS_CREATE = 'tabs.create';
 const EVENT_KEYPRESS = 'event.keypress';
 const EVENT_KEYDOWN = 'event.keydown';
@@ -13,6 +14,7 @@ export {
 
   WINDOWS_CREATE,
   WINDOWS_REMOVE,
+  WINDOWS_GET,
 
   TABS_CREATE,
 
diff --git a/e2e/contents/tab.test.js b/e2e/contents/tab.test.js
index d33a35f..dda572f 100644
--- a/e2e/contents/tab.test.js
+++ b/e2e/contents/tab.test.js
@@ -5,7 +5,7 @@ import * as keys from "../ambassador/src/client/keys";
 
 const SERVER_URL = "localhost:11111";
 
-describe("tab test", function() {
+describe("tab test", () => {
   let targetWindow;
   let targetTab;
 
@@ -22,14 +22,13 @@ describe("tab test", function() {
     return windows.remove(targetWindow.id);
   });
 
-  it('delete tab', (done) => {
-    let before = window.document.documentElement.scrollTop;
-    keys.press(targetTab.id, 'j').then((r) => {
+  it('delete tab', () => {
+    return Promise.resolve().then(() => {
+      return keys.press(targetTab.id, 'd');
+    }).then(() => {
+      return windows.get(targetWindow.id);
+    }).then((after) => {
+      expect(after.tabs).to.have.lengthOf(1);
     });
-    keys.press(targetTab.id, 'j').then((r) => {
-    });
-    keys.press(targetTab.id, 'G').then((r) => {
-    });
-    let after = window.document.documentElement.scrollTop;
   });
 });